user/tinytcl/regex_compat.c

   1 /*
   2  * regex_compat.c
   3  *
   4  *
   5  * Copyright (c) 2004 Snapgear
   6  *
   7  * See the file "license.terms" for information on usage and redistribution
   8  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
   9  *
  10  */
  11 #include <features.h>
  12
  13 #ifdef __UC_LIBC__
  14 #include <stdio.h>
  15 #define REGEX_COMPAT_IMPL
  16 #include "regex_compat.h"
  17
  18 int compat_regcomp(regex_t *preg, const char *regex, int cflags)
  19 {
  20         preg->preg = regcomp((char *)regex);
  21         return(preg->preg == 0);
  22 }
  23
  24 int compat_regexec(const  regex_t  *preg,  const  char *string, size_t nmatch, regmatch_t pmatch[], int eflags)
  25 {
  26         if (regexec(preg->preg, (char *)string) == 1) {
  27                 int i;
  28                 for (i = 0; i < NSUBEXP && i < nmatch; i++) {
  29                         if (preg->preg->startp[i]) {
  30                                 pmatch[i].rm_so = preg->preg->startp[i] - string;
  31                         }
  32                         else {
  33                                 pmatch[i].rm_so = -1;
  34                         }
  35                         if (preg->preg->endp[i]) {
  36                                 pmatch[i].rm_eo = preg->preg->endp[i] - string;
  37                         }
  38                         else {
  39                                 pmatch[i].rm_eo = -1;
  40                         }
  41                 }
  42                 return(0);
  43         }
  44         /* No match */
  45         return(1);
  46 }
  47
  48 size_t compat_regerror(int errcode, const regex_t *preg, char *errbuf,  size_t errbuf_size)
  49 {
  50         return snprintf(errbuf, errbuf_size, "regex_compat() error %d", errcode);
  51 }
  52
  53 void compat_regfree(regex_t *preg)
  54 {
  55 }
  56 #endif